.exe RUN                                                                                                                             .com RUN                                                                                                                             .bat RUN                                                                                                                             .wri write.exe                                                                                                                       .pif pifedit.exe                                                                                                                     .doc winword.exe                                                                                                                     .xls excel.exe                                                                                                                       .txt notepad.exe                                                                                                                     .bmp pbrush.exe                                                                                                                      .gif wingif.exe